Annual Maintenance work of Unit number 1, 3 and 4 in Rihand Power station Pipri

Part-A Overhauling, Cleaning and repairing of generator air coolers of Machine No.- 1, 3 & 4 during annual maintenance and Painting of inner and outer surface of generators of Rihand Power station Pipri.

Overhauling cleaning and repairing of generator air cooler of M/c. No. 1, 3&4. SCOPE OF WORK AS PER BID DOCUMENT

Overhauling of 4" water valves of generator air cooler of M/c. No. - 1,3& 4. SCOPE OF WORK AS PER BID DOCUMENT

Painting of inner and outer surface of generator of M/c. No. 1, 3 &4. SCOPE OF WORK AS PER BID DOCUMENT

Part B – Varnishing of stator and rotor poles after proper cleaning with acetone of Unit No. 1, 3 & 4.

Dismantling of all cover plates, Chequered Plates, railing, dome, Slip ring bracket, armature of main exciters, top & bottom baffle plates, upper bracket etc. after their proper marking and keeping them in systematic manner.

Rotation of rotor by making arrangement for inspection of stator. Jacking of the Machine shall be done every time before starting rotation by jacking machine.

Thoroughly cleaning of stator core and coils, surge supporting rings, ventilating ducts etc by compressed air then with the cloths dipped into acetone to remove all traces of oil, grease, carbon duct etc.

Thoroughly cleaning of all rotor poles and their terminals with cloths dipped into acetone to remove all traces of oil, grease carbon dusts etc.

Varnishing of stator core with Dr. Beck make Bectrol gray varnish by spray gun and oxygen gas used as a compressed air to avoid any moisture content in the air during spraying.

Varnishing of overhang portion of stator coils, surge rings etc with Dr. Beck make red gel epoxy varnish by spray gun oxygen gas used as a compresses air to avoid any moisture content in the air during spraying.

Varnishing of all sides of rotor except towards rotor core, with Dr. Beck make red get epoxy varnish by spray gun and oxygen gas used as a compressed air to avoid and any moisture content in the air during spraying.

Assembly of all dismantled cover plates, chequred plate, railing, PMG, dome, slip ring bracket, main exciter, top & bottom baffle plates, upper bracket etc. with replacement of damage nuts, bolts with new HT nuts & bolts. For proper tightening whenever required, tapping shall be done of the damage holes.

Consumable materials for above said work as per scope of work mentioned in Bid Document

M/S J K ENTERPRISES (BID ID -5746443)

Bidder Name

M/S RAJ ENTERPRISES

M/S J K ENTERPRISES